1 files changed, 19 insertions, 13 deletions
diff --git a/tox/__init__.py b/tox/__init__.py
index 2cb1461..ccdae2d 100644
--- a/tox/__init__.py
+++ b/tox/__init__.py
@@ -1,17 +1,23 @@
 #
 __version__ = '1.0.dev1'
 
-from py.apipkg import initpkg
+class exception:
+    class Error(Exception):
+        def __str__(self):
+            return "%s: %s" %(self.__class__.__name__, self.args[0])
+    class ConfigError(Error):
+        """ error in tox configuration. """
+    class UnsupportedInterpreter(Error):
+        "signals an unsupported Interpreter"
+    class InterpreterNotFound(Error):
+        "signals that an interpreter could not be found"
+    class InvocationError(Error):
+        """ an error while invoking a script. """
+    class MissingFile(Error):
+        """ an error while invoking a script. """
+    class MissingDirectory(Error):
+        """ a directory did not exist. """
+    class MissingDependency(Error):
+        """ a dependency could not be found or determined. """
 
-initpkg(__name__, dict(
-    cmdline   = '._cmdline:main',
-    exception = dict(
-        ConfigError = '._config:ConfigError',
-        InvocationError = '._exception:InvocationError',
-        MissingDependency= '._exception:MissingDependency',
-        UnsupportedInterpreter = '._exception:UnsupportedInterpreter',
-        InterpreterNotFound = '._exception:InterpreterNotFound',
-        MissingFile = '._exception:MissingFile',
-        MissingDirectory = '._exception:MissingDirectory',
-    )
-))
+from tox._cmdline import main as cmdline